Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake

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Mar 26, 2013
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Nov 25, 2010
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Mar 1, 2010
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Feb 27, 2009

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Abstract

A method for the purification of 5-sulfoisophthalic acid wherein via the application of an acetic acid wash while said crude cake of 5-sulfoisophthalic acid is filtered.

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FUTUREFUEL CHEMICAL COMPANY	8235 FORSYTH BLVD 4TH FLOOR CLAYTON MO 63105

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Oster, Timothy A	Batesville, US	10	32

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Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake

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United States of America Patent

12714996

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PATENT NO	8404886
APP PUB NO	20100298597A1
SERIAL NO	12714996
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 26, 2013	US,8404886,B2 US8404886B2	GRANTED PATENT AS SECOND PUBLICATION
November 25, 2010	US,20100298597,A1 US20100298597A1	FIRST PUBLISHED PATENT APPLICATION

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12714996

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